Adverse effects of endometriosis on pregnancy: A case-control study

Mayo Miura, Takafumi Ushida, Kenji Imai, Jingwen Wang, Yoshinori Moriyama, Tomoko Nakano-Kobayashi, Satoko Osuka, Fumitaka Kikkawa, Tomomi Kotani

研究成果: Article

1 被引用数 (Scopus)

抄録

Background: Endometriosis is a common disease occurring in 1-2% of all women of reproductive age. Although there is increasing evidence on the association between endometriosis and adverse perinatal outcomes, little is known about the effect of pre-pregnancy treatments for endometriosis on subsequent perinatal outcomes. Thus, this study aimed to evaluate maternal and neonatal outcomes in pregnant women with endometriosis and to investigate whether pre-pregnancy surgical treatment would affect these outcomes. Methods: This case-control study included 2769 patients who gave birth at Nagoya University Hospital located in Japan between 2010 and 2017. Maternal and neonatal outcomes were compared between the endometriosis group (n = 80) and the control group (n = 2689). The endometriosis group was further divided into two groups: patients with a history of surgical treatment such as cystectomy for ovarian endometriosis, ablation or excision of endometriotic implants, or adhesiolysis (surgical treatment group, n = 49) and those treated with only medications or without any treatment (non-surgical treatment group, n = 31). Results: In the univariate analysis, placenta previa and postpartum hemorrhage were significantly increased in the endometriosis group compared to the control group (12.5% vs. 4.1%, p < 0.01 and 27.5% vs. 18.2%, p = 0.04, respectively). In the multivariate analysis, endometriosis significantly increased the odds ratio (OR) for placenta previa (adjusted OR, 3.19; 95% confidence interval [CI], 1.56-6.50, p < 0.01) but not for postpartum hemorrhage (adjusted OR, 1.14; 95% CI, 0.66-1.98, p = 0.64). Other maternal and neonatal outcomes were similar between the two groups. In patients with endometriosis, patients in the surgical treatment group were significantly associated with an increased risk of placenta previa (OR. 4.62; 95% CI, 2.11-10.10, p < 0.01); however, patients in the non-surgical treatment group were not associated with a high risk (OR, 1.63; 95% CI, 0.19-6.59, p = 0.36). Additionally, other maternal and neonatal outcomes were similar between the two groups. Conclusion: Women who have had surgical treatment for their endometriosis appear to have a higher risk for placenta previa. This may be due to the more severe stage of endometriosis often found in these patients. However, clinicians should be alert to this potential increased risk and manage these patients accordingly.

本文言語English
論文番号373
ジャーナルBMC Pregnancy and Childbirth
19
1
DOI
出版ステータスPublished - 22-10-2019

All Science Journal Classification (ASJC) codes

  • Obstetrics and Gynaecology

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